title: Studies on new vasodilators, WS-1228 A and B. II. Structure and synthesis.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D013304:Streptomyces aureofaciens / Q000378:metabolism; D014226:Triazenes / Q000302:isolation & purification* / Q000494:pharmacology; D014665:Vasodilator Agents / Q000138:chemical synthesis*
chemical_list: D014226:Triazenes; D014665:Vasodilator Agents; C034613:triacsin C; C034614:triacsin D